Base | Representation |
---|---|
bin | 11010101000011011… |
… | …010100100000101000 |
3 | 2201210212112211122112 |
4 | 122220123110200220 |
5 | 432030424203320 |
6 | 21045301341452 |
7 | 2031424030223 |
oct | 325033244050 |
9 | 81725484575 |
10 | 28595537960 |
11 | 11144487a00 |
12 | 5660707888 |
13 | 2909413682 |
14 | 1553ad45ba |
15 | b256a1ec5 |
hex | 6a86d4828 |
28595537960 has 48 divisors (see below), whose sum is σ = 70720794900. Its totient is φ = 10398375680.
The previous prime is 28595537959. The next prime is 28595537977. The reversal of 28595537960 is 6973559582.
It can be written as a sum of positive squares in 2 ways, for example, as 26225211364 + 2370326596 = 161942^2 + 48686^2 .
It is a self number, because there is not a number n which added to its sum of digits gives 28595537960.
It is an unprimeable number.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2949245 + ... + 2958924.
Almost surely, 228595537960 is an apocalyptic number.
28595537960 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
28595537960 is an abundant number, since it is smaller than the sum of its proper divisors (42125256940).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
28595537960 is a wasteful number, since it uses less digits than its factorization.
28595537960 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 5908202 (or 5908187 counting only the distinct ones).
The product of its (nonzero) digits is 20412000, while the sum is 59.
The spelling of 28595537960 in words is "twenty-eight billion, five hundred ninety-five million, five hundred thirty-seven thousand, nine hundred sixty".
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